A blogger has written a book on it and celebs are coming out as fans, but now the 'no poo' movement is facing criticism. Well, that's a controversial beauty trend for you. For those who have no idea ...
The Chosun Ilbo on MSN
No-poo trend risks scalp damage, experts warn
The "no-poo" trend, which involves washing hair without shampoo to promote scalp and hair health, has been reported to potentially harm scalp health, accelerating hair loss and premature graying.
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